LG KG195 Service Manual page 121

7. Device Information
27 VA
28 AGND
30 VREF
31 SRCLKEN
32 PWRKEY
33 PWRBB
34 VIBRATOREN
35 ALERTEREN
36 LEDEN
37,40 PGND
38 VIBRATOR
39 ALERTER
41 LED
42 BATUSE
43 BATDET
44 VASEL
45 VMSEL
47 VBAT
48 VCORE
LGE Internal Use Only
Analog Supply
Analog Ground
Reference Voltage Output
VTCXO and VA Enable
Power on/off Key, Internal Pull High to VBAT
Power on/off Signal from Microprocessor
Vibrator Driver Enable, Internal Pull Low to DGND
Alerter Driver Enable, Internal Pull Low to DGND
LED Driver Enable, Internal Pull Low to DGND
Power Ground
Vibrator Driver Input
Alerter Driver Input
LED Driver Input
Battery Type Selection, High for NiMH, Low for Li-ion, Internal Pull
Battery Detect Input, Low for Battery Connected, Internal Pull High
High for VA enabled with VTCXO, Low for VA enabled with VD,
High for Vm=2.8 V, Low for Vm=1.8V, Internal Pull High to VIO
Battery Input Voltage
Digital Core Supply
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Only for training and service purposes